class_docstr: Helper class to merge volume segmentations on CPU/GPU.
class_docstr_tok: ["Helper","class","to","merge","volume","segmentations","on","CPU\/GPU","."]
code: def merge(self) -> torch.Tensor:
      return self.volume / self.norm_mask
  
file_path: pytorch-toolbelt/pytorch_toolbelt/inference/tiles_3d.py
imports: from typing import Union, Tuple, List, Iterable, Any
  import numpy
  import torch
  from pytorch_toolbelt.inference import compute_pyramid_patch_weight_loss
label_desc: Use image node_id 4 for calling the VolumeMerger obj's underlying member method code with example usage: obj.merge() and returns: unknown